Finding the Fourth Proportional to 18,905,353.09, 26,090,189.35 and 10,532,715.42
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Solution
The fourth proportional to 18,905,353.09, 26,090,189.35 and 10,532,715.42 is: 14,535,594.14
Step by Step Solution
- Step 1: Write the proportion equation
18,905,353.09 : 26,090,189.35 = 10,532,715.42 : x - Step 2: Convert to fraction form
18,905,353.09/26,090,189.35 = 10,532,715.42/x - Step 3: Cross multiply
18,905,353.09x = 26,090,189.35 × 10,532,715.42 - Step 4: Simplify right side
18,905,353.09x = 274,800,539,677,464.78 - Step 5: Solve for x
x = 274,800,539,677,464.78/18,905,353.09 - Step 6: Final answer
x = 14,535,594.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.